DEPARTMENT OF THE INTERIOR 
UNITED STATES GEOLOGICAL SURVEY 
WASHINGTON. 
OFFICE OF THE DIRECTOR. 
Dr. E. H. Sellards, State Geologist of Florida, 
Geological Survey of Florida, Tallahassee, Florida. 
Dear Sir: I herewith transmit the manuscript and illustrations of 
a Preliminary Report on the Geology of Florida, with especial refer¬ 
ence to the Stratigraphy. By George Charlton Matson and Frederick. 
G. Clapp. Including a chapter on the Topography and Geology of 
Southern Florida. By Samuel Sanford. Prepared in cooperation be¬ 
tween the United States Geological Survey and the Florida State 
Geological Survey, under the direction of Thomas Wayland Vaughan. 
This report has been prepared in accordance with the agreement 
entered into by the Florida State Geological Survey and the United 
States Geological Survey on the first day of August, 1907, and is 
transmitted to you for publication by the Florida State Geological 
Survey. 
Very respectfully yours, 
GEO. OTIS SMITH, 
DIRECTOR. 
